Patents by Inventor Charlotte Persson

Charlotte Persson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230039049
    Abstract: The present disclosure relates to an absorbent article, such as an infant diaper, training pant, feminine hygiene article, adult incontinence article or wound care dressing. The absorbent article comprises a topsheet. The topsheet comprises or consists of a fibrous nonwoven layer arranged on a wearer facing side of the topsheet. The fibrous nonwoven layer is coated over a coated area on the wearer facing side of the topsheet with a coating composition. The coating composition comprises a lubricant agent comprising an alkoxylated diester selected from the group consisting of fatty ester lubricants.
    Type: Application
    Filed: December 12, 2019
    Publication date: February 9, 2023
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Shabira ABBAS, Charlotte PERSSON
  • Patent number: 10932959
    Abstract: The present disclosure relates to a sanitary article such as a sanitary napkin, a panty liner, a diaper or an incontinence pad, including a liquid permeable topsheet, a backsheet, an absorbent core enclosed between the topsheet and the backsheet, and a fibrous layer positioned between the topsheet and the absorbent core. The topsheet includes a coating having a) an oil composition and b) one or more surface active agent(s) including a non-ionic surfactant, wherein the weight ratio of the oil composition and the surface active agent(s) is at least 1:1, and wherein the oil composition is present in an amount of at least 0.3 g/m2 of the topsheet and wherein the fibrous layer is an oil protecting layer consisting essentially of non-absorbent fibers.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: March 2, 2021
    Assignee: Essity Hygiene and Health Aktiebolag
    Inventor: Charlotte Persson
  • Publication number: 20190159944
    Abstract: The present disclosure relates to a sanitary article such as a sanitary napkin, a panty liner, a diaper or an incontinence pad, including a liquid permeable topsheet, a backsheet, an absorbent core enclosed between the topsheet and the backsheet, and a fibrous layer positioned between the topsheet and the absorbent core. The topsheet includes a coating having a) an oil composition and b) one or more surface active agent(s) including a non-ionic surfactant, wherein the weight ratio of the oil composition and the surface active agent(s) is at least 1:1, and wherein the oil composition is present in an amount of at least 0.3 g/m2 of the topsheet and wherein the fibrous layer is an oil protecting layer consisting essentially of non-absorbent fibers.
    Type: Application
    Filed: June 27, 2016
    Publication date: May 30, 2019
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventor: Charlotte Persson
  • Patent number: 9937085
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The spacer fabric has a ratio of thickness to basis weight at 15 kPa of at least 1.5·10?5 m/gsm, as measured according to the Mecano-method disclosed herein.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 10, 2018
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Per Bergstrom, Charlotte Persson, Malin Lundman, Frank Muller, Stefan Muller
  • Patent number: 9808382
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric having a basis weight of 150-300 gsm and including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The pile filaments have a fineness of 80-130 dtex and the density of pile filament connections is 50-150/cm2.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: November 7, 2017
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Per Bergstrom, Charlotte Persson, Malin Lundman, Frank Muller, Stefan Muller
  • Patent number: 9763837
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, comprising a liquid permeable top sheet, a liquid impermeable back sheet, and an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet, said fluid flow control member being of a nonwoven material comprising a three dimensional network of fibres, said fibres having a thickness of 200-700 ?m, said nonwoven material having a strain of max 50% at 5 kPa.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: September 19, 2017
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Charlotte Persson, Patrik Andersson, Kent Vartiainen, Charlotta Hanson, Britt-Marie Wiezell, Lori-Ann S. Prioleau, Thomas R. LaLiberte, Leigh E. Wood, Kerstin K. Ehlers, Peter P. Kitzer
  • Publication number: 20150320615
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The spacer fabric has a ratio of thickness to basis weight at 15 kPa of at least 1.5·10?5 m/gsm, as measured according to the Mecano-method disclosed herein.
    Type: Application
    Filed: December 28, 2012
    Publication date: November 12, 2015
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Per BERGSTROM, Charlotte PERSSON, Malin LUNDMAN, Frank MULLER, Stefan MULLER
  • Publication number: 20150313771
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric having a basis weight of 150-300 gsm and including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The pile filaments have a fineness of 80-130 dtex and the density of pile filament connections is 50-150/cm2.
    Type: Application
    Filed: December 28, 2012
    Publication date: November 5, 2015
    Applicant: SCA Hygiene Products AB
    Inventors: Per BERGSTROM, Charlotte PERSSON, Malin LUNDMAN, Frank MULLER, Stefan MULLER
  • Publication number: 20130144241
    Abstract: An absorbent article, the absorbent article being a personal hygiene article, comprising a liquid permeable top sheet, a liquid impermeable back sheet, and an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet, said fluid flow control member being of a nonwoven material comprising a three dimensional network of fibres, said fibres having a thickness of 200-700 ?m, said nonwoven material having a strain of max 50% at 5 kPa.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 6, 2013
    Applicant: SCA Hygiene Products AB
    Inventors: Charlotte Persson, Patrik Andersson, Kent Vartiainen, Charlotta Hanson, Britt-Marie Wiezell, Lori-Ann S. Prioleau, Thomas R. LaLiberte, Leigh E. Wood, Kerstin K. Ehlers, Peter P. Kitzer
  • Patent number: 6854600
    Abstract: Active additives in absorbent articles, such as sanitary napkins, panty liners, tampons, incontinence protectors and diapers have been found to lose their properties due to taking-up moisture during storage and transportation for instance, when conventional packaging materials are used. The invention relates to the use of a moisture impervious film material for packaging an absorbent article comprising one or more active moisture-sensitive additives. Packaging is effected in film material that has low vapor and gas permeability and in packaging unites that have tight joins or seams.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: February 15, 2005
    Assignee: SCA Hygiene Products AB
    Inventors: Charlotte Persson, Håkan Persson
  • Patent number: 6749594
    Abstract: Absorbent product (101) such as a sanitary towel, a panty liner or an incontinence pad, which product has two transverse end edges (117, 118), two longitudinal side edges (119, 120), a liquid-permeable surface layer (102), a liquidtight backing layer (103) and an absorbent core (104) arranged between these layers (102, 103), the product having side flaps (106) arranged at the longitudinal side edges (119, 120) on both sides of the absorbent core (104), which side flaps (106) are of such shape and size that, during use of the product, they can be folded around the leg edges in the crotch portion on a pair of briefs, the side flaps (106) exhibiting a gloss below 25% and a regular transmittance above 5%.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: June 15, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Roy Hansson, Camilla Elfsberg, Charlotte Persson, Camilla Björklund, Lina Strand
  • Patent number: 6710219
    Abstract: A panty liner which includes active additives, such as lactobacilli. The liner includes a liquid-permeable top sheet which lies proximal to the wearer in use, a liquid-impermeable backing sheet which lies distal from the wearer in use, possibly an intermediate absorbent layer, and possibly fastener means. The panty liner is manufactured in a manner such that the active additives, preferably lactobacillus, are given a sufficiently effective and dry environment to ensure a healthy survival rate of the additives until the product is used.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: March 23, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Charlotte Persson, Britt-Marie Wiezell
  • Patent number: 6579272
    Abstract: A forming element for an absorbent article, such as a sanitary napkin, an incontinence protector or a panty shield, which forming element is formed of a rigid material and exhibits a principally elongate form with a longitudinal direction and a transverse direction, an upper side, an underside, two short sides and two long sides, a first and a second end portion and an intermediate portion situated between the end portions, and wherein the forming element exhibits one or several corrugations.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: June 17, 2003
    Assignee: SCA Hygiene Products
    Inventors: Ann Samuelsson, Charlotte Persson, Pascale Cabelduc, Solgun Drevik
  • Patent number: 6508795
    Abstract: An absorbent article such as a sanitary napkin, an incontinence pad, panty liner or the like, which article is intended to be substantially accommodated within a user's panties and comprising an absorbent upper part (2) and an absorbent lower part (3), which two parts are mutually joined in such a manner that the article, at least in its mid portion (26), presents an elongate cavity between the upper part (2) and the lower part (3) which is maintained during use.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: January 21, 2003
    Assignee: SCA Hygiene Products AB
    Inventors: Ann Samuelsson, Charlotte Persson
  • Publication number: 20020193764
    Abstract: The present invention relates to a panty liner which includes active additives, such as lactobacilli, wherein the article comprises a liquid-permeable top sheet which lies proximal to the wearer in use, a liquid-impermeable backing sheet which lies distal from the wearer in use, possibly an intermediate absorbent layer, and possibly fastener means. The panty liner is manufactured in a manner such that the active additives, preferably lactobacillus, are given a sufficiently effective and dry environment to ensure a healthy survival rate of said additives until the product is used.
    Type: Application
    Filed: March 22, 2002
    Publication date: December 19, 2002
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Charlotte Persson, Britt-Marie Wiezell
  • Patent number: 6482193
    Abstract: An absorbent article intended for female users, has such a form and size that it can principally be accommodated in the crotch part of a pair of underpants, a longitudinal direction, a transverse direction and a thickness direction. The article displays a liquid-permeable surface (2), and a liquid-impermeable surface (3), and also an absorbent core consisting of at least one absorbent body (5) arranged between the two surfaces (2, 3). A raised portion (7) extending in the longitudinal direction and displaying two end portions is arranged at the liquid-permeable surface (2) of the article. The raised portion (5) displays spacing elements (16) which during use of the article create channels (17) for the flow of liquid between the raised portion (5) and the body of the user.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: November 19, 2002
    Assignee: SCA Hygiene Products AB
    Inventors: Ann Samuelsson, Charlotte Persson, Pascale Cabelduc, Solgun Drevik
  • Publication number: 20020156446
    Abstract: Absorbent product (101) such as a sanitary towel, a panty liner or an incontinence pad, which product has two transverse end edges (117, 118), two longitudinal side edges (119, 120), a liquid-permeable surface layer (102), a liquidtight backing layer (103) and an absorbent core (104) arranged between these layers (102, 103), the product having side flaps (106) arranged at the longitudinal side edges (119, 120) on both sides of the absorbent core (104), which side flaps (106) are of such shape and size that, during use of the product, they can be folded around the leg edges in the crotch portion on a pair of briefs, the side flaps (106) exhibiting a gloss below 25% and a regular transmittance above 5%.
    Type: Application
    Filed: April 10, 2002
    Publication date: October 24, 2002
    Inventors: Roy Hansson, Camilla Elfsberg, Charlotte Persson, Camilla Bjorklund, Lina Strand
  • Patent number: 6100442
    Abstract: An absorbent article such as a sanitary napkin, a panty liner or an incontinence pad, which is intended to be substantially accommodated within a user's panties and comprising an upper absorbent part (2) and a lower absorbent part (3), whereby the upper absorbent part (2) forms a raised portion (26) projecting from the lower absorbent part (3) and has a lesser extension in the transverse direction of the article than the lower absorbent part (3). A porous liquid acquisition layer (28) is arranged between the two absorbent parts (2,3) and has a density which is less than the density in both the upper absorbent part (2) and the lower absorbent part (3).
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: August 8, 2000
    Assignee: SCA Hygiene Products Aktiebolag
    Inventors: Ann Samuelsson, Charlotte Persson, Solgun Drevik
  • Patent number: D468825
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: January 14, 2003
    Assignee: SCA Hygiene Products AB
    Inventors: Charlotte Persson, Gun-Britt Lindstrom
  • Patent number: D471275
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: March 4, 2003
    Assignee: SCA Hygiene Products AB
    Inventors: Charlotte Persson, Gun-Britt Lindström